Appendix C SIP Call Flows
Call Flow Scenarios for Successful Calls
C-10
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
Step 12
BYE—SIP server to Cisco IP Phone B
SIP server passes the BYE request to
Cisco IP Phone B.
Step 13
200 OK—Cisco IP Phone B to SIP server
Cisco IP Phone B sends a 200 OK message to
the SIP server indicating that Cisco IP Phone
B has received the BYE request.
Step 14
200 OK—SIP server to Cisco IP Phone A
SIP server passes the BYE request to
Cisco IP Phone A.
Table C-6
Log Listing
1.
INVITE sip:[email protected];user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.2.163:5060
From: <sip:[email protected];user=phone>;tag=2274744465
To: <sip:[email protected];user=phone>
Call-ID: [email protected]
CSeq: 1 INVITE
Contact: <sip:[email protected]:5060;user=phone;transport=udp>
User-Agent: Cisco-CP7905/1.01-030429A
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER
Expires: 300
Content-Length: 259
Content-Type: application/sdp
v=0
o=9313 58115 58115 IN IP4 192.168.2.163
s=Cisco 7905 SIP Call
c=IN IP4 192.168.2.163
t=0 0
m=audio 16384 RTP/AVP 0 18 8 101
a=rtpmap:0 PCMU/8000/1
a=rtpmap:18 G729/8000/1
a=rtpmap:8 PCMA/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
Table C-5
Action Descriptions (continued)
Step
Action
Description
Содержание Unified 7905G
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